Mountain Road, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 20.8 °C (high). Annual precipitation averages 1179.8 Millimeters. Mountain Road is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.6 °C | 9.1 °C | 91.69 mm |
| February | -1.7 °C | 11.2 °C | 71.63 mm |
| March | 1.9 °C | 15.6 °C | 107.95 mm |
| April | 7.2 °C | 21.4 °C | 98.81 mm |
| May | 12.5 °C | 25.5 °C | 105.16 mm |
| June | 17.2 °C | 29.7 °C | 120.4 mm |
| July | 19.6 °C | 31.4 °C | 103.12 mm |
| August | 18.6 °C | 30.6 °C | 87.12 mm |
| September | 15.1 °C | 27.3 °C | 123.95 mm |
| October | 8 °C | 21.6 °C | 94.74 mm |
| November | 1.9 °C | 15.8 °C | 84.84 mm |
| December | -0.8 °C | 10.9 °C | 90.42 mm |
| Annual | 8.1 °C | 20.8 °C | 1179.83 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |